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/* Get common system includes and various definitions and declarations based

   on autoconf macros.

   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,

   2009, 2010, 2011, 2012

   Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under

the terms of the GNU General Public License as published by the Free

Software Foundation; either version 3, or (at your option) any later

version.

GCC is distributed in the hope that it will be useful, but WITHOUT ANY

WARRANTY; without even the implied warranty of MERCHANTABILITY or

FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

for more details.

You should have received a copy of the GNU General Public License

along with GCC; see the file COPYING3.  If not see

<http://www.gnu.org/licenses/>.  */

#ifndef GCC_SYSTEM_H

#define GCC_SYSTEM_H

/* We must include stdarg.h before stdio.h.  */

#include <stdarg.h>

#ifndef va_copy

# ifdef __va_copy

#   define va_copy(d,s)  __va_copy((d),(s))

# else

#   define va_copy(d,s)  ((d) = (s))

# endif

#endif

#ifdef HAVE_STDDEF_H

# include <stddef.h>

#endif

#include <stdio.h>

/* Define a generic NULL if one hasn't already been defined.  */

#ifndef NULL

#define NULL 0

#endif

/* Use the unlocked open routines from libiberty.  */

/* Some of these are #define on some systems, e.g. on AIX to redirect

   the names to 64bit capable functions for LARGE_FILES support. These

   redefs are pointless here so we can override them.  */

#undef fopen 

#undef freopen 

#define fopen(PATH,MODE) fopen_unlocked(PATH,MODE)

#define fdopen(FILDES,MODE) fdopen_unlocked(FILDES,MODE)

#define freopen(PATH,MODE,STREAM) freopen_unlocked(PATH,MODE,STREAM)

/* The compiler is not a multi-threaded application and therefore we

   do not have to use the locking functions.  In fact, using the locking

   functions can cause the compiler to be significantly slower under

   I/O bound conditions (such as -g -O0 on very large source files).

   HAVE_DECL_PUTC_UNLOCKED actually indicates whether or not the stdio

   code is multi-thread safe by default.  If it is set to 0, then do

   not worry about using the _unlocked functions.

   fputs_unlocked, fwrite_unlocked, and fprintf_unlocked are

   extensions and need to be prototyped by hand (since we do not

   define _GNU_SOURCE).  */

#if defined HAVE_DECL_PUTC_UNLOCKED && HAVE_DECL_PUTC_UNLOCKED

# ifdef HAVE_PUTC_UNLOCKED

#  undef putc

#  define putc(C, Stream) putc_unlocked (C, Stream)

# endif

# ifdef HAVE_PUTCHAR_UNLOCKED

#  undef putchar

#  define putchar(C) putchar_unlocked (C)

# endif

# ifdef HAVE_GETC_UNLOCKED

#  undef getc

#  define getc(Stream) getc_unlocked (Stream)

# endif

# ifdef HAVE_GETCHAR_UNLOCKED

#  undef getchar

#  define getchar() getchar_unlocked ()

# endif

# ifdef HAVE_FPUTC_UNLOCKED

#  undef fputc

#  define fputc(C, Stream) fputc_unlocked (C, Stream)

# endif

#ifdef __cplusplus

extern "C" {

#endif

# ifdef HAVE_CLEARERR_UNLOCKED

#  undef clearerr

#  define clearerr(Stream) clearerr_unlocked (Stream)

#  if defined (HAVE_DECL_CLEARERR_UNLOCKED) && !HAVE_DECL_CLEARERR_UNLOCKED

extern void clearerr_unlocked (FILE *);

#  endif

# endif

# ifdef HAVE_FEOF_UNLOCKED

#  undef feof

#  define feof(Stream) feof_unlocked (Stream)

#  if defined (HAVE_DECL_FEOF_UNLOCKED) && !HAVE_DECL_FEOF_UNLOCKED

extern int feof_unlocked (FILE *);

#  endif

# endif

# ifdef HAVE_FILENO_UNLOCKED

#  undef fileno

#  define fileno(Stream) fileno_unlocked (Stream)

#  if defined (HAVE_DECL_FILENO_UNLOCKED) && !HAVE_DECL_FILENO_UNLOCKED

extern int fileno_unlocked (FILE *);

#  endif

# endif

# ifdef HAVE_FFLUSH_UNLOCKED

#  undef fflush

#  define fflush(Stream) fflush_unlocked (Stream)

#  if defined (HAVE_DECL_FFLUSH_UNLOCKED) && !HAVE_DECL_FFLUSH_UNLOCKED

extern int fflush_unlocked (FILE *);

#  endif

# endif

# ifdef HAVE_FGETC_UNLOCKED

#  undef fgetc

#  define fgetc(Stream) fgetc_unlocked (Stream)

#  if defined (HAVE_DECL_FGETC_UNLOCKED) && !HAVE_DECL_FGETC_UNLOCKED

extern int fgetc_unlocked (FILE *);

#  endif

# endif

# ifdef HAVE_FGETS_UNLOCKED

#  undef fgets

#  define fgets(S, n, Stream) fgets_unlocked (S, n, Stream)

#  if defined (HAVE_DECL_FGETS_UNLOCKED) && !HAVE_DECL_FGETS_UNLOCKED

extern char *fgets_unlocked (char *, int, FILE *);

#  endif

# endif

# ifdef HAVE_FPUTS_UNLOCKED

#  undef fputs

#  define fputs(String, Stream) fputs_unlocked (String, Stream)

#  if defined (HAVE_DECL_FPUTS_UNLOCKED) && !HAVE_DECL_FPUTS_UNLOCKED

extern int fputs_unlocked (const char *, FILE *);

#  endif

# endif

# ifdef HAVE_FERROR_UNLOCKED

#  undef ferror

#  define ferror(Stream) ferror_unlocked (Stream)

#  if defined (HAVE_DECL_FERROR_UNLOCKED) && !HAVE_DECL_FERROR_UNLOCKED

extern int ferror_unlocked (FILE *);

#  endif

# endif

# ifdef HAVE_FREAD_UNLOCKED

#  undef fread

#  define fread(Ptr, Size, N, Stream) fread_unlocked (Ptr, Size, N, Stream)

#  if defined (HAVE_DECL_FREAD_UNLOCKED) && !HAVE_DECL_FREAD_UNLOCKED

extern size_t fread_unlocked (void *, size_t, size_t, FILE *);

#  endif

# endif

# ifdef HAVE_FWRITE_UNLOCKED

#  undef fwrite

#  define fwrite(Ptr, Size, N, Stream) fwrite_unlocked (Ptr, Size, N, Stream)

#  if defined (HAVE_DECL_FWRITE_UNLOCKED) && !HAVE_DECL_FWRITE_UNLOCKED

extern size_t fwrite_unlocked (const void *, size_t, size_t, FILE *);

#  endif

# endif

# ifdef HAVE_FPRINTF_UNLOCKED

#  undef fprintf

/* We can't use a function-like macro here because we don't know if

   we have varargs macros.  */

#  define fprintf fprintf_unlocked

#  if defined (HAVE_DECL_FPRINTF_UNLOCKED) && !HAVE_DECL_FPRINTF_UNLOCKED

extern int fprintf_unlocked (FILE *, const char *, ...);

#  endif

# endif

#ifdef __cplusplus

}

#endif

#endif

/* ??? Glibc's fwrite/fread_unlocked macros cause

   "warning: signed and unsigned type in conditional expression".  */

#undef fread_unlocked

#undef fwrite_unlocked

/* There are an extraordinary number of issues with <ctype.h>.

   The last straw is that it varies with the locale.  Use libiberty's

   replacement instead.  */

#include "safe-ctype.h"

#include <sys/types.h>

#include <errno.h>

#if !defined (errno) && defined (HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO

extern int errno;

#endif

#ifdef __cplusplus

# include <cstring>

#endif

/* Some of glibc's string inlines cause warnings.  Plus we'd rather

   rely on (and therefore test) GCC's string builtins.  */

#define __NO_STRING_INLINES

#ifdef STRING_WITH_STRINGS

# include <string.h>

# include <strings.h>

#else

# ifdef HAVE_STRING_H

#  include <string.h>

# else

#  ifdef HAVE_STRINGS_H

#   include <strings.h>

#  endif

# endif

#endif

#ifdef HAVE_STDLIB_H

# include <stdlib.h>

#endif

/* Undef vec_free from AIX stdlib.h header which conflicts with vec.h.  */

#undef vec_free

/* If we don't have an overriding definition, set SUCCESS_EXIT_CODE and

   FATAL_EXIT_CODE to EXIT_SUCCESS and EXIT_FAILURE respectively,

   or 0 and 1 if those macros are not defined.  */

#ifndef SUCCESS_EXIT_CODE

# ifdef EXIT_SUCCESS

#  define SUCCESS_EXIT_CODE EXIT_SUCCESS

# else

#  define SUCCESS_EXIT_CODE 0

# endif

#endif

#ifndef FATAL_EXIT_CODE

# ifdef EXIT_FAILURE

#  define FATAL_EXIT_CODE EXIT_FAILURE

# else

#  define FATAL_EXIT_CODE 1

# endif

#endif

#define ICE_EXIT_CODE 4

#ifdef HAVE_UNISTD_H

# include <unistd.h>

#endif

#ifdef HAVE_SYS_PARAM_H

# include <sys/param.h>

/* We use this identifier later and it appears in some vendor param.h's.  */

# undef PREFETCH

#endif

#if HAVE_LIMITS_H

# include <limits.h>

#endif

/* Get definitions of HOST_WIDE_INT and HOST_WIDEST_INT.  */

#include "hwint.h"

/* A macro to determine whether a VALUE lies inclusively within a

   certain range without evaluating the VALUE more than once.  This

   macro won't warn if the VALUE is unsigned and the LOWER bound is

   zero, as it would e.g. with "VALUE >= 0 && ...".  Note the LOWER

   bound *is* evaluated twice, and LOWER must not be greater than

   UPPER.  However the bounds themselves can be either positive or

   negative.  */

#define IN_RANGE(VALUE, LOWER, UPPER) \

  ((unsigned HOST_WIDE_INT) (VALUE) - (unsigned HOST_WIDE_INT) (LOWER) \

   <= (unsigned HOST_WIDE_INT) (UPPER) - (unsigned HOST_WIDE_INT) (LOWER))

/* Infrastructure for defining missing _MAX and _MIN macros.  Note that

   macros defined with these cannot be used in #if.  */

/* The extra casts work around common compiler bugs.  */

#define INTTYPE_SIGNED(t) (! ((t) 0 < (t) -1))

/* The outer cast is needed to work around a bug in Cray C 5.0.3.0.

   It is necessary at least when t == time_t.  */

#define INTTYPE_MINIMUM(t) ((t) (INTTYPE_SIGNED (t) \

                             ? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0))

#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))

/* Use that infrastructure to provide a few constants.  */

#ifndef UCHAR_MAX

# define UCHAR_MAX INTTYPE_MAXIMUM (unsigned char)

#endif

#ifdef TIME_WITH_SYS_TIME

# include <sys/time.h>

# include <time.h>

#else

# if HAVE_SYS_TIME_H

#  include <sys/time.h>

# else

#  ifdef HAVE_TIME_H

#   include <time.h>

#  endif

# endif

#endif

#ifdef HAVE_FCNTL_H

# include <fcntl.h>

#else

# ifdef HAVE_SYS_FILE_H

#  include <sys/file.h>

# endif

#endif

#ifndef SEEK_SET

# define SEEK_SET 0

# define SEEK_CUR 1

# define SEEK_END 2

#endif

#ifndef F_OK

# define F_OK 0

# define X_OK 1

# define W_OK 2

# define R_OK 4

#endif

#ifndef O_RDONLY

# define O_RDONLY 0

#endif

#ifndef O_WRONLY

# define O_WRONLY 1

#endif

#ifndef O_BINARY

# define O_BINARY 0

#endif

/* Some systems define these in, e.g., param.h.  We undefine these names

   here to avoid the warnings.  We prefer to use our definitions since we

   know they are correct.  */

#undef MIN

#undef MAX

#define MIN(X,Y) ((X) < (Y) ? (X) : (Y))

#define MAX(X,Y) ((X) > (Y) ? (X) : (Y))

/* Returns the least number N such that N * Y >= X.  */

#define CEIL(x,y) (((x) + (y) - 1) / (y))

#ifdef HAVE_SYS_WAIT_H

#include <sys/wait.h>

#endif

#ifndef WIFSIGNALED

#define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)

#endif

#ifndef WTERMSIG

#define WTERMSIG(S) ((S) & 0x7f)

#endif

#ifndef WIFEXITED

#define WIFEXITED(S) (((S) & 0xff) == 0)

#endif

#ifndef WEXITSTATUS

#define WEXITSTATUS(S) (((S) & 0xff00) >> 8)

#endif

#ifndef WSTOPSIG

#define WSTOPSIG WEXITSTATUS

#endif

#ifndef WCOREDUMP

#define WCOREDUMP(S) ((S) & WCOREFLG)

#endif

#ifndef WCOREFLG

#define WCOREFLG 0200

#endif

#include <signal.h>

#if !defined (SIGCHLD) && defined (SIGCLD)

# define SIGCHLD SIGCLD

#endif

#ifdef HAVE_SYS_MMAN_H

# include <sys/mman.h>

#endif

#ifndef MAP_FAILED

# define MAP_FAILED ((void *)-1)

#endif

#if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)

# define MAP_ANONYMOUS MAP_ANON

#endif

#ifdef HAVE_SYS_RESOURCE_H

# include <sys/resource.h>

#endif

#ifdef HAVE_SYS_TIMES_H

# include <sys/times.h>

#endif

/* The HAVE_DECL_* macros are three-state, undefined, 0 or 1.  If they

   are defined to 0 then we must provide the relevant declaration

   here.  These checks will be in the undefined state while configure

   is running so be careful to test "defined (HAVE_DECL_*)".  */

#ifdef __cplusplus

extern "C" {

#endif

#if defined (HAVE_DECL_ATOF) && !HAVE_DECL_ATOF

extern double atof (const char *);

#endif

#if defined (HAVE_DECL_ATOL) && !HAVE_DECL_ATOL

extern long atol (const char *);

#endif

#if defined (HAVE_DECL_FREE) && !HAVE_DECL_FREE

extern void free (void *);

#endif

#if defined (HAVE_DECL_GETCWD) && !HAVE_DECL_GETCWD

extern char *getcwd (char *, size_t);

#endif

#if defined (HAVE_DECL_GETENV) && !HAVE_DECL_GETENV

extern char *getenv (const char *);

#endif

#if defined (HAVE_DECL_GETOPT) && !HAVE_DECL_GETOPT

extern int getopt (int, char * const *, const char *);

#endif

#if defined (HAVE_DECL_GETPAGESIZE) && !HAVE_DECL_GETPAGESIZE

extern int getpagesize (void);

#endif

#if defined (HAVE_DECL_GETWD) && !HAVE_DECL_GETWD

extern char *getwd (char *);

#endif

#if defined (HAVE_DECL_SBRK) && !HAVE_DECL_SBRK

extern void *sbrk (int);

#endif

#if defined (HAVE_DECL_STRSTR) && !HAVE_DECL_STRSTR

extern char *strstr (const char *, const char *);

#endif

#if defined (HAVE_DECL_STPCPY) && !HAVE_DECL_STPCPY

extern char *stpcpy (char *, const char *);

#endif

#ifdef __cplusplus

}

#endif

#ifdef HAVE_MALLOC_H

#include <malloc.h>

#endif

#ifdef __cplusplus

extern "C" {

#endif

#if defined (HAVE_DECL_MALLOC) && !HAVE_DECL_MALLOC

extern void *malloc (size_t);

#endif

#if defined (HAVE_DECL_CALLOC) && !HAVE_DECL_CALLOC

extern void *calloc (size_t, size_t);

#endif

#if defined (HAVE_DECL_REALLOC) && !HAVE_DECL_REALLOC

extern void *realloc (void *, size_t);

#endif

#ifdef __cplusplus

}

#endif

#ifdef HAVE_STDINT_H

#include <stdint.h>

#endif

#ifdef HAVE_INTTYPES_H

#include <inttypes.h>

#endif

#ifdef __cplusplus

extern "C" {

#endif

/* If the system doesn't provide strsignal, we get it defined in

   libiberty but no declaration is supplied.  */

#if !defined (HAVE_STRSIGNAL) \

    || (defined (HAVE_DECL_STRSIGNAL) && !HAVE_DECL_STRSIGNAL)

# ifndef strsignal

extern const char *strsignal (int);

# endif

#endif

#ifdef HAVE_GETRLIMIT

# if defined (HAVE_DECL_GETRLIMIT) && !HAVE_DECL_GETRLIMIT

#  ifndef getrlimit

struct rlimit;

extern int getrlimit (int, struct rlimit *);

#  endif

# endif

#endif

#ifdef HAVE_SETRLIMIT

# if defined (HAVE_DECL_SETRLIMIT) && !HAVE_DECL_SETRLIMIT

#  ifndef setrlimit

struct rlimit;

extern int setrlimit (int, const struct rlimit *);

#  endif

# endif

#endif

#if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT

extern void abort (void);

#endif

#if defined (HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF

extern int snprintf (char *, size_t, const char *, ...);

#endif

#if defined (HAVE_DECL_VSNPRINTF) && !HAVE_DECL_VSNPRINTF

extern int vsnprintf(char *, size_t, const char *, va_list);

#endif

#ifdef __cplusplus

}

#endif

/* 1 if we have C99 designated initializers.  */

#if !defined(HAVE_DESIGNATED_INITIALIZERS)

#define HAVE_DESIGNATED_INITIALIZERS \

  (((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)) \

   && !defined(__cplusplus))

#endif

#if !defined(HAVE_DESIGNATED_UNION_INITIALIZERS)

#define HAVE_DESIGNATED_UNION_INITIALIZERS \

  (((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)) \

   && (!defined(__cplusplus) || (GCC_VERSION >= 4007)))

#endif

#if HAVE_SYS_STAT_H

# include <sys/stat.h>

#endif

/* Test if something is a normal file.  */

#ifndef S_ISREG

#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)

#endif

/* Test if something is a directory.  */

#ifndef S_ISDIR

#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)

#endif

/* Test if something is a character special file.  */

#ifndef S_ISCHR

#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)

#endif

/* Test if something is a block special file.  */

#ifndef S_ISBLK

#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)

#endif

/* Test if something is a socket.  */

#ifndef S_ISSOCK

# ifdef S_IFSOCK

#   define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)

# else

#   define S_ISSOCK(m) 0

# endif

#endif

/* Test if something is a FIFO.  */

#ifndef S_ISFIFO

# ifdef S_IFIFO

#  define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)

# else

#  define S_ISFIFO(m) 0

# endif

#endif

/* Define well known filenos if the system does not define them.  */

#ifndef STDIN_FILENO

# define STDIN_FILENO   0

#endif

#ifndef STDOUT_FILENO

# define STDOUT_FILENO  1

#endif

#ifndef STDERR_FILENO

# define STDERR_FILENO  2

#endif

/* Some systems have mkdir that takes a single argument.  */

#ifdef MKDIR_TAKES_ONE_ARG

# define mkdir(a,b) mkdir(a)

#endif

#ifndef HAVE_KILL

# define kill(p,s) raise(s)

#endif

/* Provide a way to print an address via printf.  */

#ifndef HOST_PTR_PRINTF

#define HOST_PTR_PRINTF "%p"

#endif /* ! HOST_PTR_PRINTF */

/* By default, colon separates directories in a path.  */

#ifndef PATH_SEPARATOR

#define PATH_SEPARATOR ':'

#endif

/* Filename handling macros.  */

#include "filenames.h"

/* These should be phased out in favor of IS_DIR_SEPARATOR, where possible.  */

#ifndef DIR_SEPARATOR

# define DIR_SEPARATOR '/'

# ifdef HAVE_DOS_BASED_FILE_SYSTEM

#  define DIR_SEPARATOR_2 '\\'

# endif

#endif

#if defined (ENABLE_PLUGIN) && defined (HAVE_DLFCN_H)

/* If plugin support is enabled, we could use libdl.  */

#include <dlfcn.h>

#endif

/* Get libiberty declarations.  */

#include "libiberty.h"

#undef FFS  /* Some systems predefine this symbol; don't let it interfere.  */

#undef FLOAT /* Likewise.  */

#undef ABS /* Likewise.  */

#undef PC /* Likewise.  */

/* Provide a default for the HOST_BIT_BUCKET.

   This suffices for POSIX-like hosts.  */

#ifndef HOST_BIT_BUCKET

#define HOST_BIT_BUCKET "/dev/null"

#endif

#ifndef offsetof

#define offsetof(TYPE, MEMBER)  ((size_t) &((TYPE *) 0)->MEMBER)

#endif

/* Various error reporting routines want to use __FUNCTION__.  */

#if (GCC_VERSION < 2007)

#ifndef __FUNCTION__

#define __FUNCTION__ "?"

#endif /* ! __FUNCTION__ */

#endif

/* __builtin_expect(A, B) evaluates to A, but notifies the compiler that

   the most likely value of A is B.  This feature was added at some point

   between 2.95 and 3.0.  Let's use 3.0 as the lower bound for now.  */

#if (GCC_VERSION < 3000)

#define __builtin_expect(a, b) (a)

#endif

/* Redefine abort to report an internal error w/o coredump, and

   reporting the location of the error in the source file.  */

extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;

#define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__)

/* Use gcc_assert(EXPR) to test invariants.  */

#if ENABLE_ASSERT_CHECKING

#define gcc_assert(EXPR)                                                \

   ((void)(!(EXPR) ? fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0 : 0))

#elif (GCC_VERSION >= 4005)

#define gcc_assert(EXPR)                                                \

  ((void)(__builtin_expect(!(EXPR), 0) ? __builtin_unreachable(), 0 : 0))

#else

/* Include EXPR, so that unused variable warnings do not occur.  */

#define gcc_assert(EXPR) ((void)(0 && (EXPR)))

#endif

#ifdef ENABLE_CHECKING

#define gcc_checking_assert(EXPR) gcc_assert (EXPR)

#else

#define gcc_checking_assert(EXPR) ((void)(0 && (EXPR)))

#endif

/* Use gcc_unreachable() to mark unreachable locations (like an

   unreachable default case of a switch.  Do not use gcc_assert(0).  */

#if (GCC_VERSION >= 4005) && !ENABLE_ASSERT_CHECKING

#define gcc_unreachable() __builtin_unreachable()

#else

#define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__))

#endif

/* Provide a fake boolean type.  We make no attempt to use the

   C99 _Bool, as it may not be available in the bootstrap compiler,

   and even if it is, it is liable to be buggy.

   This must be after all inclusion of system headers, as some of

   them will mess us up.  */

#undef TRUE

#undef FALSE

#ifdef __cplusplus

  /* Obsolete.  */

# define TRUE true

# define FALSE false

#else /* !__cplusplus */

# undef bool

# undef true

# undef false

# define bool unsigned char

# define true 1

# define false 0

  /* Obsolete.  */

# define TRUE true

# define FALSE false

#endif /* !__cplusplus */

/* Some compilers do not allow the use of unsigned char in bitfields.  */

#define BOOL_BITFIELD unsigned int

/* As the last action in this file, we poison the identifiers that

   shouldn't be used.  Note, luckily gcc-3.0's token-based integrated

   preprocessor won't trip on poisoned identifiers that arrive from

   the expansion of macros.  E.g. #define strrchr rindex, won't error

   if rindex is poisoned after this directive is issued and later on

   strrchr is called.

   Note: We define bypass macros for the few cases where we really

   want to use the libc memory allocation routines.  Otherwise we

   insist you use the "x" versions from libiberty.  */

#define really_call_malloc malloc

#define really_call_calloc calloc

#define really_call_realloc realloc

#if defined(FLEX_SCANNER) || defined(YYBISON) || defined(YYBYACC)

/* Flex and bison use malloc and realloc.  Yuk.  Note that this means

   really_call_* cannot be used in a .l or .y file.  */

#define malloc xmalloc

#define realloc xrealloc

#endif

#if (GCC_VERSION >= 3000)

/* Note autoconf checks for prototype declarations and includes

   system.h while doing so.  Only poison these tokens if actually

   compiling gcc, so that the autoconf declaration tests for malloc

   etc don't spuriously fail.  */

#ifdef IN_GCC

#undef calloc

#undef strdup

 #pragma GCC poison calloc strdup

#if !defined(FLEX_SCANNER) && !defined(YYBISON)

#undef malloc

#undef realloc

 #pragma GCC poison malloc realloc

#endif

/* The %m format should be used when GCC's main diagnostic functions

   supporting %m are available, and xstrerror from libiberty

   otherwise.  */

#undef strerror

 #pragma GCC poison strerror

/* loc_t is defined on some systems and too inviting for some

   programmers to avoid.  */

#undef loc_t

 #pragma GCC poison loc_t

/* Old target macros that have moved to the target hooks structure.  */

 #pragma GCC poison ASM_OPEN_PAREN ASM_CLOSE_PAREN                      \

        FUNCTION_PROLOGUE FUNCTION_EPILOGUE                             \

        FUNCTION_END_PROLOGUE FUNCTION_BEGIN_EPILOGUE                   \

        DECL_MACHINE_ATTRIBUTES COMP_TYPE_ATTRIBUTES INSERT_ATTRIBUTES  \

        VALID_MACHINE_DECL_ATTRIBUTE VALID_MACHINE_TYPE_ATTRIBUTE       \

        SET_DEFAULT_TYPE_ATTRIBUTES SET_DEFAULT_DECL_ATTRIBUTES         \

        MERGE_MACHINE_TYPE_ATTRIBUTES MERGE_MACHINE_DECL_ATTRIBUTES     \

        MD_INIT_BUILTINS MD_EXPAND_BUILTIN ASM_OUTPUT_CONSTRUCTOR       \

        ASM_OUTPUT_DESTRUCTOR SIGNED_CHAR_SPEC MAX_CHAR_TYPE_SIZE       \

        WCHAR_UNSIGNED UNIQUE_SECTION SELECT_SECTION SELECT_RTX_SECTION \

        ENCODE_SECTION_INFO STRIP_NAME_ENCODING ASM_GLOBALIZE_LABEL     \

        ASM_OUTPUT_MI_THUNK CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS     \

        ADDRESS_COST MACHINE_DEPENDENT_REORG ASM_FILE_START ASM_FILE_END \

        ASM_SIMPLIFY_DWARF_ADDR INIT_TARGET_OPTABS INIT_SUBTARGET_OPTABS \

        INIT_GOFAST_OPTABS MULSI3_LIBCALL MULDI3_LIBCALL DIVSI3_LIBCALL \

        DIVDI3_LIBCALL UDIVSI3_LIBCALL UDIVDI3_LIBCALL MODSI3_LIBCALL   \

        MODDI3_LIBCALL UMODSI3_LIBCALL UMODDI3_LIBCALL BUILD_VA_LIST_TYPE \

        PRETEND_OUTGOING_VARARGS_NAMED STRUCT_VALUE_INCOMING_REGNUM     \